The radius of an atomic nucleus is of the order of

Options

A. `10^(8-)cm`
B. `10^(-10)cm`
C. `10^(-15)cm`
D. `10^(-13)cm`

Answer

D

Explanation

The mass of a nucleus constitutes most of the mass of the entire atom but the nucleus occupies only about `1//10^(15)` of the volume of the atom. A typical atomic radius is about `1Å = 100 pm (1pm = 10^(-12)m)` whereas the radius of an atomic nucleus is only about `5 xx 10^(-3)pm`.